murdoch could be called. >>> first, for you political junkies, the iowa caucuses are the first time the voters weigh in on the presidential candidates but it hasn't always been that way. what year were the iowa caucuses first used to kick off the nomination process. 1932, 1916 or 1972? if you know the answer, send me a tweet. i'll give a shout out to the first person with the right answer when we come back. ♪ sen♪ co-signed her credit card - "buy books, not beer!" ♪ ♪ut the second at she shut the door ♪ ♪ girl started blowing up their credit score ♪ ♪ she bought a pizza party for the whole dorm floor ♪ ♪ hundred pounds of makeup at the makeup store ♪ ♪ and a ticket down to spring break in mexico ♪ ♪ but her folks didn't know 'cause her folks didn't go ♪ ♪ to free-credit-score-dot-com hard times for daddy and mom. ♪ >>> welcome back, a moment ago i asked you this, what year were the iowa caucuses first used to kick off the presidential nomination process. if you said c, 1972? you are right. a strong showing from south dakota senator george mcgovern p